Abstract：ABSTRACT: Objective To investigate the causes and nursing measures of postoperative mental disorders on patients after cardiac surgery. Methods The clinical data of 830 patients underwent cardiac surgery was retrospectively analyzed, risk factors were analyzed and nursing countermeasures were implemented. Results There were 30 patients diagnosed with mental disorders after cardiac surgery and the incidence rate was 3.61%, 30 cases were cured and discharged finally. It was found that mental disorders were associated with multiple factors such as the surgical factors, physical factors, spirit and social factors, drug and environmental factors. Nursing strategies were performed in the whole process of nursing during the operation. Conclusion The occurrence of postoperative mental disorder is the result of multiple etiologies. It can be decreased through enhancing the perioperative management, and establishing the overall nursing system, which can decrease the incidence of mental disorder and improve the prognosis of the mental disease after surgery.
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